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<br /> TABLE 2
<br /> SUMMARY OF GROUNDWATER ANALYTICAL RESULTS
<br /> Pacific Coast Recreation, Stockton, CA
<br /> Page 6 of 6
<br /> (Keported In u911)
<br /> Sample Date TPHg Benzene Toluene Ethyl I Xylenes MTBE DIPE TAME TBA ETBE
<br /> ID Benzene
<br /> ASI(d) 09/26/01 270,000 35,000 32 000 3 600 19,000 <250 <250 <250 <2,500 <250
<br /> 12/11/01** 6,000 900 600 70 490 <20 <20 <20 <200 <20
<br /> 12/17/01** 6,700 1,100 800 82 540 <20 <20 <20 <200 <20
<br /> 12127101** 2,800 460 280 31 230 <20 <20 <20 <200 <20
<br /> 01/03102** 6,200 870 620 67 490 <20 <20 <20 <200 <20
<br /> 12/04102** 360,000 47,000 35,000 3 900 20,000 <1,000 <1,000 <1,000 <10,000 <1,000
<br /> 03/03103** 380,000 44,000 28,000 2,900 21,000 <500 <500 <500 <5,000 <500
<br /> PZ1a(s) 09/26/01 290,000 37,000 38,000 3,600 18,000 <250 <250 <250 <2500 <250
<br /> 12111101** 380,000 46 000 42,000 3,200 20,000 <400 <400 <400 <4,000 <400
<br /> 12/17101** 330,000 51,000 46,000 2,900 20,000 <1,000 <1,000 <1,000 <10 000 <1,000
<br /> 12/27/01** 340,000 59,000 51,000 3,400 20000 <1,000 <1,000 <1,000 <10,000 <1000
<br /> 01103/02** 340,000 52,000 45,000 3,100 18,000 <1,000 <1,000 <1,000 <10,000 <1,000
<br /> 0303/03** NS NS NS NS NS NS NS NS NS NS
<br /> PZ1a(d) 09/26/01 310,000 46,000 47,000 3,400 17,000 <250 <250 <250 <2,500 <250
<br /> 12/11/01** 270,000 37,000 33,000 2,300 13,000 <400 <400 <400 <4,000 <400
<br /> 12117/01** 320,000 52,000 45,000 3,300 19,000 <1,000 <1,000 <1,000 <10,000 <1,000
<br /> 12/27/01** 290,000 51,000 42,000 3,400 19,000 <1,000 <1,000 <1,000 <10,000 <1,000
<br /> 01/03102** 290 000 45 000 36 000 3 000 17 000 <1,000 <1,000 <1,000 <10,000 <1,000
<br /> 12/04/02** 400,000 45,000 53,000 4,400 23,000 <1,000 <1000 <1,000 <10,000 <1,000
<br /> 0303/03** 440,000 50,000 48,000 3,100 22,000 <500 <500 <500 <5,000 <500
<br /> PZ1b(d) 09/26/01 310,000 35,000 47 000 3 400 18,000 <250 <250 <250 <2,500 <250
<br /> 12111/01** 310,000 36,000 46,000 3,100 17,000 <400 <400 <400 <4,000 <400
<br /> 12117101** 290,000 37,000 51 000 3,300 18 000 <1,000 <1,000 <1,000 <10 000 <1,000
<br /> 12/27/01** 300,000 43,000 53,000 3,800 21,000 <1,000 <1000 <1000 <10,000 <1,000
<br /> 01/03102** 300,000 36,000 46,000 3,100 17,000 <1,000 <1,000 <1,000 <,10,000 <1,000
<br /> 12/04102** 360,000 36,000 53,000 4,100 23,000 <1,000 <1000 <1,000 <,10,000 <1,000
<br /> 03/03103** 430,000 39,000 57,000 3,400 24,000 <500 <500 <500 <5,000 <500
<br /> Notes
<br /> TPHg denotes Total Petroleum Hydrocarbons as gasoline analyzed by EPA Method 5030/8015
<br /> MTBE denotes methyl tertiary butyl ether analyzed by EPA Method 8260
<br /> DIPE denotes di-isopropyl ether analyzed by EPA Method 8260
<br /> TAME denotes tertiary amyl methyl ether analyzed by EPA Method 8260
<br /> TBA denotes tertiary butyl ether analyzed by EPA Method 8250
<br /> ETBE denotes ethyl tertiary butyl ether analyzed by EPA Method 8260
<br /> DW denotes deep facility well on site
<br /> NS denotes not sampled
<br /> NA denotes not analyzed
<br /> 1 =sample analzyed for HVOCs by EPA Method 524 2 All other constituents reported below method detection limit
<br /> (*j= Gas is primarily composed of Benzene
<br /> (**)= Samples were also analyzed for 1 2-dichloroethane and ethyl dibromide by EPA method 8260 but were
<br /> not detected above the method detection/limit
<br /> Effluent denotes the sample collected between the first and second carbon vessels filtering the facility's water
<br /> C Effluent denotes the sample collected after both carbon vessels filtering the facility's water
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